Flowering Plants: Evolution Above the Species Level
Encyclopedia
Flowering Plants: Evolution Above the Species Level is a book written by evolutionary biologist and botanist G. Ledyard Stebbins
which was first published in 1974.
G. Ledyard Stebbins
George Ledyard Stebbins, Jr. was an American botanist and geneticist who is widely regarded as one of the leading evolutionary biologists of the 20th century. Stebbins received his Ph.D. in botany from Harvard University in 1931. He went on to the University of California, Berkeley, where his work...
which was first published in 1974.